Finding the Fourth Proportional to 9,460,228.68, 13,055,128.20 and 5,385,847.68
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Solution
The fourth proportional to 9,460,228.68, 13,055,128.20 and 5,385,847.68 is: 7,432,476.98
Step by Step Solution
- Step 1: Write the proportion equation
9,460,228.68 : 13,055,128.20 = 5,385,847.68 : x - Step 2: Convert to fraction form
9,460,228.68/13,055,128.20 = 5,385,847.68/x - Step 3: Cross multiply
9,460,228.68x = 13,055,128.20 × 5,385,847.68 - Step 4: Simplify right side
9,460,228.68x = 70,312,931,928,072.57 - Step 5: Solve for x
x = 70,312,931,928,072.57/9,460,228.68 - Step 6: Final answer
x = 7,432,476.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.